/*
Copyright 2003-2012 GanttProject Team

This file is part of GanttProject, an opensource project management tool.

GanttProject is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

GanttProject is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GanttProject.  If not, see <http://www.gnu.org/licenses/>.
*/
package org.ganttproject.chart.pert;

import java.util.Date;

import javax.swing.JPanel;

import org.eclipse.core.runtime.IStatus;

import net.sourceforge.ganttproject.IGanttProject;
import net.sourceforge.ganttproject.chart.Chart;
import net.sourceforge.ganttproject.chart.ChartSelection;
import net.sourceforge.ganttproject.chart.ChartSelectionListener;
import net.sourceforge.ganttproject.gui.options.model.GPOptionGroup;
import net.sourceforge.ganttproject.task.TaskManager;

public abstract class PertChart extends JPanel implements Chart {
    /** Task manager used to build PERT chart. It provides data. */
    protected TaskManager myTaskManager;

    public PertChart() {
    }

    @Override
    public void init(IGanttProject project) {
        myTaskManager = project.getTaskManager();
    }

    @Override
    public abstract String getName();

    /** Builds PERT chart. */
    protected abstract void buildPertChart();

    /** This method in not supported by this Chart. */
    @Override
    public Date getStartDate() {
        throw new UnsupportedOperationException();
    }

    /** This method in not supported by this Chart. */
    @Override
    public Date getEndDate() {
        throw new UnsupportedOperationException();
    }

    /** Sets the task manager. */
    public void setTaskManager(TaskManager taskManager) {
        myTaskManager = taskManager;
    }

    @Override
    public GPOptionGroup[] getOptionGroups() {
        return null;
    }

    @Override
    public Chart createCopy() {
        return null;
    }

    @Override
    public ChartSelection getSelection() {
        throw new UnsupportedOperationException();
    }

    @Override
    public IStatus canPaste(ChartSelection selection) {
        throw new UnsupportedOperationException();
    }

    @Override
    public void paste(ChartSelection selection) {
        throw new UnsupportedOperationException();
    }

    @Override
    public void addSelectionListener(ChartSelectionListener listener) {
        // No listeners are implemented
    }

    @Override
    public void removeSelectionListener(ChartSelectionListener listener) {
        // No listeners are implemented
    }
}
